Re: infrared wall to detect an object



In comp.arch.embedded,
Hernán Sánchez <nanchez@xxxxxxxxx> wrote:
Hi.

For a project that I'm building, I need an object detector that signals
when something "cross" the virtual wall of light.

I don't know what your application is, but if this is for safety, you
might want to check out standard solutions. This google search might
be helpfull:
http://www.google.com/search?q=safety+light+curtain

--
Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)

.



Relevant Pages

  • Re: Mass. MUTCD supplement
    ... ordinances can be written to allow crossing during the countdown. ... a flashing signal implies that all people cross at the same speed. ... Sometimes ped signals and auto signals are deliberately not in sync ...
    (misc.transport.road)
  • Re: Curtnetrons Dont Do Parity
    ... that cross without connecting like this for example: ... probably be a better topology because it reduces the distance signals have ... branch out in a binary tree fashion without recombining until they have ...
    (comp.ai.philosophy)
  • Re: infrared wall to detect an object
    ... For a project that I'm building, I need an object detector that signals ... I create a virtual wall using a laser and two mirrors (one in front the ...
    (comp.arch.embedded)
  • Re: Cornball Express incident at IB
    ... > a train in the station with signals to the operators, ... I've never seen an operator cross the tracks, ...
    (rec.roller-coaster)
  • Re: Question regarding Coherence
    ... coherence between two signals is the squared norm ... of the cross spectral density of the signals at frequency f, ... product of the Fourier transforms of each signal (where the first ...
    (comp.dsp)